EP2156002A1 - Hybrid drill bit and method of drilling - Google Patents
Hybrid drill bit and method of drillingInfo
- Publication number
- EP2156002A1 EP2156002A1 EP08733127A EP08733127A EP2156002A1 EP 2156002 A1 EP2156002 A1 EP 2156002A1 EP 08733127 A EP08733127 A EP 08733127A EP 08733127 A EP08733127 A EP 08733127A EP 2156002 A1 EP2156002 A1 EP 2156002A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting elements
- fixed
- blade
- rolling
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 330
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 43
- 238000005096 rolling process Methods 0.000 claims description 106
- 229910003460 diamond Inorganic materials 0.000 claims description 22
- 239000010432 diamond Substances 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims 4
- 238000005755 formation reaction Methods 0.000 description 23
- 239000011435 rock Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XOJVVFBFDXDTEG-UHFFFAOYSA-N Norphytane Natural products CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08733127T PL2156002T3 (en) | 2007-04-05 | 2008-04-04 | Hybrid drill bit and method of drilling |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/784,025 US7841426B2 (en) | 2007-04-05 | 2007-04-05 | Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit |
US12/061,536 US7845435B2 (en) | 2007-04-05 | 2008-04-02 | Hybrid drill bit and method of drilling |
PCT/US2008/059379 WO2008124572A1 (en) | 2007-04-05 | 2008-04-04 | Hybrid drill bit and method of drilling |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2156002A1 true EP2156002A1 (en) | 2010-02-24 |
EP2156002B1 EP2156002B1 (en) | 2010-11-03 |
Family
ID=39639198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08733127A Not-in-force EP2156002B1 (en) | 2007-04-05 | 2008-04-04 | Hybrid drill bit and method of drilling |
Country Status (9)
Country | Link |
---|---|
US (1) | US7845435B2 (en) |
EP (1) | EP2156002B1 (en) |
CN (1) | CN101765695A (en) |
AT (1) | ATE487020T1 (en) |
DE (1) | DE602008003332D1 (en) |
MX (1) | MX2009010519A (en) |
PL (1) | PL2156002T3 (en) |
RU (1) | RU2009140371A (en) |
WO (1) | WO2008124572A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2511411A (en) * | 2013-01-16 | 2014-09-03 | Nov Downhole Eurasia Ltd | Drill bit |
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2008
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- 2008-04-04 RU RU2009140371/03A patent/RU2009140371A/en not_active Application Discontinuation
- 2008-04-04 EP EP08733127A patent/EP2156002B1/en not_active Not-in-force
- 2008-04-04 WO PCT/US2008/059379 patent/WO2008124572A1/en active Application Filing
- 2008-04-04 DE DE602008003332T patent/DE602008003332D1/en active Active
- 2008-04-04 MX MX2009010519A patent/MX2009010519A/en unknown
- 2008-04-04 AT AT08733127T patent/ATE487020T1/en not_active IP Right Cessation
- 2008-04-04 CN CN200880016630A patent/CN101765695A/en active Pending
- 2008-04-04 PL PL08733127T patent/PL2156002T3/en unknown
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2511411A (en) * | 2013-01-16 | 2014-09-03 | Nov Downhole Eurasia Ltd | Drill bit |
US9869131B2 (en) | 2013-01-16 | 2018-01-16 | Nov Downhole Eurasia Limited | Drill bit |
GB2511411B (en) * | 2013-01-16 | 2019-10-16 | Nov Downhole Eurasia Ltd | Drill bit |
Also Published As
Publication number | Publication date |
---|---|
ATE487020T1 (en) | 2010-11-15 |
DE602008003332D1 (en) | 2010-12-16 |
US20080264695A1 (en) | 2008-10-30 |
WO2008124572A1 (en) | 2008-10-16 |
CN101765695A (en) | 2010-06-30 |
US7845435B2 (en) | 2010-12-07 |
MX2009010519A (en) | 2009-11-10 |
EP2156002B1 (en) | 2010-11-03 |
PL2156002T3 (en) | 2011-04-29 |
RU2009140371A (en) | 2011-05-10 |
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